4 letter words:
coky13,
icky13,
yock13,
beck12,
bock12,
yoke11,
bike10,
coke10,
kibe10,
obey9,
bice8,
3 letter words:
key10,
kye10,
yok10,
ick9,
kob9,
bey8,
boy8,
bye8,
coy8,
icy8,
yob8,
cob7,
koi7,
oke7,
bio5,
ice5,
obe5,
obi5,
2 letter words:
by7,
ki6,
oy5,
ye5,
yo5,
be4,
bi4,
bo4,
oe2,
oi2,